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https://www.readbyqxmd.com/read/29045453/crispr-cas-mediated-knock-in-via-non-homologous-end-joining-in-the-crustacean-daphnia-magna
#1
Hitoshi Kumagai, Takashi Nakanishi, Tomoaki Matsuura, Yasuhiko Kato, Hajime Watanabe
The clustered regularly interspaced short palindromic repeats (CRISPR)/CRISPR-associated system (Cas) is widely used for mediating the knock-in of foreign DNA into the genomes of various organisms. Here, we report a process of CRISPR/Cas-mediated knock-in via non-homologous end joining by the direct injection of Cas9/gRNA ribonucleoproteins (RNPs) in the crustacean Daphnia magna, which is a model organism for studies on toxicology, ecology, and evolution. First, we confirmed the cleavage activity of Cas9 RNPs comprising purified Cas9 proteins and gRNAs in D...
2017: PloS One
https://www.readbyqxmd.com/read/29043875/consolidation-therapy-with-decitabine-and-intermediate-dose-cytarabine-followed-by-hla-mismatched-peripheral-blood-stem-cells-infusion-for-older-patients-with-acute-myeloid-leukemia-in-first-remission
#2
Wei-Yang Li, Ying Wang, Su-Ning Chen, Hui-Ying Qiu, Zheng-Zheng Fu, De-Pei Wu, Ai-Ning Sun
This retrospective study tested the feasibility of decitabine (DAC) plus intermediate-dose cytarabine (ID-AraC) followed by HLA-mismatched granulocyte colony-stimulating factor (G-CSF)-mobilized peripheral donor blood stem cells (GPBSCs) infusion as consolidation treatment for older patients with acute myeloid leukemia (AML) in first complete remission (CR). A total of 23 patients received this regimen for 3 cycles (D-GPBSCs group), and the outcome was compared with that of 19 patients treated with repeated cycles of ID-AraC chemotherapy (chemo group)...
October 18, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/29026877/prolonged-delayed-renal-graft-function-secondary-to-venous-hypertension
#3
Suraj Mishra, Gaurav Gupta, I Moinuddin, Brian Strife, Uma Prasad, D Massey, Anne King, Dhiren Kumar, Chandra S Bhati
The case of a 39-year-old highly sensitized woman who underwent second renal transplantation after being on warfarin because of a history of frequent thromboses of her left femoral arteriovenous graft (AVG) is reported here. The patient received a flow cytometric positive crossmatch kidney transplant from a deceased donor. Her posttransplant course was complicated by prolonged delayed graft function (DGF) lasting for 9 months. Antibody-mediated rejection occurred in the immediate postoperative period. This resolved after treatment, and resolution was confirmed by repeat biopsy...
October 2017: Transplantation Direct
https://www.readbyqxmd.com/read/29026601/complications-effectiveness-and-long-term-follow-up-of-fecal-microbiota-transfer-by-nasoduodenal-tube-for-treatment-of-recurrent-clostridium-difficile-infection
#4
Yvette H van Beurden, Pieter F de Groot, Els van Nood, Max Nieuwdorp, Josbert J Keller, Abraham Goorhuis
BACKGROUND: Fecal microbiota transfer (FMT) is an effective treatment for recurrent Clostridium difficile infection (CDI), but data on procedure-related complications and long-term outcome are scarce. METHODS: All patients treated with FMT for recurrent CDI at the Academic Medical Center between July 2010 and January 2016 were included. FMT was performed according to the FECAL trial protocol: administration of fresh donor feces (related or unrelated donor) through a duodenal tube after pre-treatment with vancomycin and bowel lavage...
October 2017: United European Gastroenterology Journal
https://www.readbyqxmd.com/read/29024597/significant-chondrocyte-viability-is-present-in-acetabular-chondral-flaps-associated-with-femoroacetabular-impingement
#5
Vonda J Wright, Christopher Laurence McCrum, Hongshuai Li, Michael J Tranovich, Johnny Huard
BACKGROUND: Patients presenting with cam deformity of the femoral head and neck sustain repeated trauma to the articular cartilage of the superior acetabulum, with chondral delamination injuries found during hip arthroscopy. Two previous studies reveal conflicting chondrocyte viability data in these traumatic cartilage injuries. The full-thickness nature of flaps may suggest that chondrocytes residing in the cartilage flap matrix in the joint environment would remain viable despite shear trauma...
October 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28977006/missed-opportunities-for-hiv-testing-among-newly-diagnosed-hiv-infected-adults-in-abidjan-c%C3%A3-te-d-ivoire
#6
Maxime Inghels, Serge Niangoran, Albert Minga, Jean Michel Yoboue, Lambert Dohoun, Abo Yao, Serge Eholié, Xavier Anglaret, Christine Danel
BACKGROUND: HIV testing is crucial for starting ART earlier in HIV-infected people. We describe Missed Opportunities (MO) for HIV testing among adults newly diagnosed with HIV in Abidjan, Côte d'Ivoire. METHODS: Between april,2nd 2013 and april 1st 2014, a cross-sectional study was conducted among all adults newly diagnosed (< 1year) for HIV at the Blood Donors Medical Center of Abidjan with face to face questionnaire. An MO for HIV testing was defined as a medical consultation for a clinical indicator (e...
2017: PloS One
https://www.readbyqxmd.com/read/28974260/in-vitro-characterization-of-canine-multipotent-stromal-cells-isolated-from-synovium-bone-marrow-and-adipose-tissue-a-donor-matched-comparative-study
#7
Robert N Bearden, Shannon S Huggins, Kevin J Cummings, Roger Smith, Carl A Gregory, William B Saunders
BACKGROUND: The dog represents an excellent large animal model for translational cell-based studies. Importantly, the properties of canine multipotent stromal cells (cMSCs) and the ideal tissue source for specific translational studies have yet to be established. The aim of this study was to characterize cMSCs derived from synovium, bone marrow, and adipose tissue using a donor-matched study design and a comprehensive series of in-vitro characterization, differentiation, and immunomodulation assays...
October 3, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28970677/red-cell-alloimmunization-in-repeatedly-transfused-patients
#8
Dimel K Bhuva, Jitendra H Vachhani
INTRODUCTION: Repeated blood transfusions can result in the production of alloantibodies against one or more red cell antigens, which complicates subsequent transfusions. Aims: The study was done to find incidence of various red cell alloantibodies; to determine the type of alloantibody; to identify the factors such as frequency of transfusion, splenectomy status, donor ethnicity and gender and their association with the development of antibody in repeatedly transfused patients. MATERIALS AND METHODS: This study was carried out in Dept...
July 2017: Asian Journal of Transfusion Science
https://www.readbyqxmd.com/read/28960359/psychological-and-hormonal-stress-response-patterns-during-a-blood-donation
#9
M D Hoogerwerf, I J T Veldhuizen, E-M Merz, W L A M de Kort, M H W Frings-Dresen, J K Sluiter
BACKGROUND AND OBJECTIVES: Donating blood has been associated with increased stress responses, with scarce evidence indicating that levels of psychological and hormonal stress are higher pre-donation than post-donation. We investigated whether a blood donation induces psychological and/or hormonal stress during the course of a blood donation, and whether responses differed between men and women, first-time and experienced donors and donors with high or low non-acute stress. MATERIALS AND METHODS: In 363 donors, psychological (donation-stress and arousal) and hormonal (cortisol) stress were measured by questionnaire and salivary sample at seven key moments during a routine donation...
September 27, 2017: Vox Sanguinis
https://www.readbyqxmd.com/read/28960321/how-do-i-%C3%A2-manage-the-platelet-transfusion-refractory-patient
#10
Justin E Juskewitch, Andrew P Norgan, Steven R De Goey, Patti M Duellman, Laurie L Wakefield, Manish J Gandhi, James R Stubbs, Justin D Kreuter
BACKGROUND: Platelet transfusion-refractoriness is a challenging and expensive clinical scenario seen most often in patients with hematologic malignancies. Although the majority of platelet transfusion-refractory cases are due to nonimmune causes, a significant minority are caused by alloimmunization against Class I human leukocyte antigens (HLAs) or human platelet antigens (HPAs). Such platelet transfusion-refractory patients can be effectively managed with appropriate antigen-negative products...
September 28, 2017: Transfusion
https://www.readbyqxmd.com/read/28955663/donor-retention-in-health-care-in-iran-a-factor-analysis
#11
Sara Aghababa, Amir Ashkan Nasiripour, Mohammadreza Maleki, Mahmoodreza Gohari
Background: Long-term financial support is essential for the survival of a charitable organization. Health charities need to identify the effective factors influencing donor retention. Methods: In the present study, the items of a questionnaire were derived from both literature review and semi-structured interviews related to donor retention. Using a purposive sampling, 300 academic and executive practitioners were selected. After the follow- up, a total of 243 usable questionnaires were prepared for factor analysis...
2017: Medical Journal of the Islamic Republic of Iran
https://www.readbyqxmd.com/read/28951259/chimerism-in-pediatric-hematopoietic-stem-cell-transplantation-and-its-correlation-with-the-clinical-outcome
#12
Hala Gabr, Ilham Youssry, Yasmin El-Ansary, Ghada Mosallam, Nermine Magdi Riad, Mariam Onsy F Hanna
Hematopoietic stem cell transplantation (HSCT) is the only hope to cure many inherited and acquired hematological disorders in children. Monitoring of chimerism helps to predict the post-transplantation events, with the intention to enhance the long-term disease free survival (DFS). The study aimed to investigate the importance of early chimerism detection to predict the clinical outcome following HSCT. The study included nine recipients (six β-thalassemia and three severe aplastic anemia patients) and their 10/10 HLA identical sibling donors...
September 23, 2017: Transplant Immunology
https://www.readbyqxmd.com/read/28943566/deep-ulcers-in-the-ileum-associated-with-mycophenolate-mofetil
#13
Akira Sonoda, Kurato Wada, Kazuhiro Mizukami, Kensuke Fukuda, Mitsutaka Shuto, Kazuhisa Okamoto, Ryo Ogawa, Tadayoshi Okimoto, Kazunari Murakami
A 54-year-old man was treated with mycophenolate mofetil (MMF) after undergoing living donor renal transplantation. Two years later, he experienced repeated episodes of diarrhea, and his C-reactive protein (CRP) level was found to be 12.63 mg/dL. Ileocolonoscopy showed multiple deep, punched-out ulcers that were similar to Behçet's disease (BD) and cytomegalovirus (CMV) in the ileum. CMV infection was suspected. However, anti-cytomegalovirus agents were ineffective. The patient was subsequently diagnosed with gastrointestinal toxicity of MMF and MMF was switched to mizoribine...
September 25, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28941882/investigation-of-an-algorithm-for-anti-hcv-eia-reactivity-in-blood-donor-screening-in-turkey-in-the-absence-of-nucleic-acid-amplification-screening
#14
Ayse Esra Karakoc, Rukiye Berkem, Hasan Irmak, Ali Pekcan Demiroz, Idil Yenicesu, Nigar Ertugrul, Önder Arslan, Sabri Kemahli, Sevinc Yilmaz, Osman Ozcebe, Abdurrahman Kara, Gulsum Ozet, Ziya Cibali Acikgoz, Tulin Acikgoz
PURPOSE: In this study we aimed to propose an algorithm for initial anti HCV EIA reactive blood donations in Turkey where nucleic acid amplification tests are not yet obligatory for donor screening. METHODS: A total of 416 anti HCV screening test reactive donor samples collected from 13 blood centers from three cities in Turkey were tested in duplicate by Ortho HCV Ab Version 3.0 and Radim HCV Ab. All the repeat reactive samples were tested by INNO-LIA HCV Ab 3...
September 8, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28941288/autoantibodies-against-the-calcium-sensing-receptor-and-cytokines-in-autoimmune-polyglandular-syndromes-types-2-3-and-4
#15
E Helen Kemp, George J Kahaly, Julie A Porter, Lara Frommer, Anthony P Weetman
OBJECTIVE: The frequency of autoimmunity against the parathyroid glands in patients with polyglandular autoimmunity that is not due to autoimmune polyendocrine syndrome type 1 (APS1) is unclear. To investigate this, the current study aimed to determine the prevalence of autoantibodies against parathyroid autoantigens the calcium-sensing receptor (CaSR) and NACHT leucine-rich-repeat protein 5 (NALP5) in a large group of patients with non-APS1 polyendocrine autoimmunity. Possible occult APS1 was investigated by cytokine autoantibody measurement and AIRE gene analysis...
September 23, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28940439/detection-of-abcb5-tumour-antigen-specific-cd8-t-cells-in-melanoma-patients-and-implications-for-immunotherapy
#16
Sylvia Borchers, Christoph Masslo, Christina Ann Müller, Anika Tahedl, Jennifer Volkind, Yvonne Nowak, Viktor Umansky, Jasmina Esterlechner, Markus Hermann Frank, Christoph Ganss, Mark Andreas Kluth, Jochen Utikal
ABCB5 has been identified as a tumour initiating cell marker and is expressed in various malignancies, including melanoma. Moreover, treatment with anti-ABCB5 monoclonal antibodies has been shown to inhibit tumour growth in xenotransplantation models. Therefore, ABCB5 represents a potential target for cancer immunotherapy. However, cellular immune responses against ABCB5 in humans have not been described so far. Here, we investigated whether ABCB5-reactive T cells are present in human melanoma patients and tested the applicability of ABCB5-derived peptides for experimental induction of human T cell responses...
September 23, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28940260/authentication-of-m14-melanoma-cell-line-proves-misidentification-of-mda-mb-435-breast-cancer-cell-line
#17
Christopher Korch, Erin M Hall, Wilhelm G Dirks, Margaret Ewing, Mark Faries, Marileila Varella-Garcia, Steven Robinson, Douglas Storts, Jacqueline A Turner, Ying Wang, Edward C Burnett, Lyn Healy, Douglas Kniss, Richard M Neve, Raymond W Nims, Yvonne A Reid, William A Robinson, Amanda Capes-Davis
A variety of analytical approaches have indicated that melanoma cell line UCLA-SO-M14 (M14) and breast carcinoma cell line MDA-MB-435 originate from a common donor. This indicates that at some point in the past, one of these cell lines became misidentified, meaning that it ceased to correspond to the reported donor and instead became falsely identified (through cross-contamination or other means) as a cell line from a different donor. Initial studies concluded that MDA-MB-435 was the misidentified cell line and M14 was the authentic cell line, although contradictory evidence has been published, resulting in further confusion...
September 22, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28936210/novel-mutations-of-the-tetratricopeptide-repeat-domain-7a-gene-and-phenotype-genotype-comparison
#18
Reyin Lien, Yung-Feng Lin, Min-Wei Lai, Hui-Ying Weng, Ren-Chin Wu, Tang-Her Jaing, Jing-Long Huang, Shih-Feng Tsai, Wen-I Lee
The gastrointestinal tract contains the largest lymphoid organ to react with pathogenic microorganisms and suppress excess inflammation. Patients with primary immunodeficiency diseases (PIDs) can suffer from refractory diarrhea. In this study, we present two siblings who began to suffer from refractory diarrhea with a poor response to aggressive antibiotic and immunosuppressive treatment after surgical release of neonatal intestinal obstruction. Their lymphocyte proliferation was low, but superoxide production and IL-10 signaling were normal...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28932339/penetrating-keratoplasty-for-keratoconus-excimer-versus-femtosecond-laser-trephination
#19
Berthold Seitz, Achim Langenbucher, Tobias Hager, Edgar Janunts, Moatasem El-Husseiny, Nora Szentmáry
BACKGROUND: In case of keratoconus, rigid gas-permeable contact lenses as the correction method of first choice allow for a good visual acuity for quite some time. In a severe stage of the disease with major cone-shaped protrusion of the cornea, even specially designed keratoconus contact lenses are no more tolerated. In case of existing contraindications for intrastromal ring segments, corneal transplantation typically has a very good prognosis. METHODS: In case of advanced keratoconus - especially after corneal hydrops due to rupture of Descemet's membrane - penetrating keratoplasty (PKP) still is the surgical method of first choice...
2017: Open Ophthalmology Journal
https://www.readbyqxmd.com/read/28930976/detection-of-residual-donor-erythroid-progenitor-cells-after-hematopoietic-stem-cell-transplantation-for-patients-with-hemoglobinopathies
#20
Roman Crazzolara, Gabriele Kropshofer, Michael Steurer, Sieghart Sopper, Wolfgang Schwinger
The presence of incomplete chimerism is noted in a large proportion of patients following bone marrow transplant for thalassemia major or sickle cell disease. This observation has tremendous implications, as subsequent therapeutic immunomodulation strategies can improve clinical outcome. Conventionally, polymerase chain reaction-based analysis of short tandem repeats is used to identify chimerism in donor-derived blood cells. However, this method is restricted to nucleated cells and cannot distinguish between dissociated single-cell lineages...
September 6, 2017: Journal of Visualized Experiments: JoVE
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